<template>
  <div class='wrapper'>
    <!-- ref="mySwiper" @someSwiperEvent="callback" 暂时用不上，先删除掉-->
    <swiper :options="swiperOption" v-if='showSwiper'>
      <swiper-slide v-for='item of List' :key='item.id'>
        <img class='swiper-img' :src="item.imgUrl"/>
      </swiper-slide>
      <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        // 这一项表示让轮播插件支持循环轮播
        loop: true
      }
    }
  },
  props: {
    List: Array
  },
  computed: {
    showSwiper () {
      return this.List.length
    }
  }
}
</script>

<style lang='stylus' scoped>
  .wrapper >>> .swiper-pagination-bullet-active
    background-color #fff !important
  .wrapper
    overflow hidden
    width 100%
    height 0
    padding-bottom 26.67%
    .swiper-img
      width 100%
</style>
